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api</FONT>
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Class  Nes::Api::Nsf</H2>
<PRE>
<code>Base</code>
   |
   +--<B>Nes::Api::Nsf</B>

</PRE>
<HR>
<DL>
<DT>class <B><a href="../api/Nes..Api.html">Nes::Api</a>::Nsf</B></DT><dt> extends Base
</DL>

<p>NES Sound Files interface.
<p>

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<CODE>enum</CODE></FONT></TD>
<TD><B><CODE><a href="../api/Nes..Api..Nsf..Event.html">Nes::Api::Nsf::Event</a></CODE></B>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Event.</TD>
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<CODE>typedef</CODE></FONT></TD>
<TD><B><CODE><a href="../api/Nes..Api..Nsf..EventCallback.html">Nes::Api::Nsf::EventCallback</a></CODE></B>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Event callback prototype.</TD>
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<CODE>enum</CODE></FONT></TD>
<TD><B><CODE><a href="../api/Nes..Api..Nsf..TuneMode.html">Nes::Api::Nsf::TuneMode</a></CODE></B>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tune mode.</TD>
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<CODE>&nbsp;static <a href="../api/Nes..Api..Nsf..EventCaller.html">Nes::Api::Nsf::EventCaller</a></CODE></FONT></TD>
<TD><CODE><B><a href="#eventCallback">eventCallback</a></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Event callback manager.</TD>
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<TD><CODE><B><a href="#Nsf(T&)">Nsf</a></B>( T& instance )</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Interface constructor.</TD>
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<CODE>&nbsp;const char*</CODE></FONT></TD>
<TD><CODE><B><a href="#GetArtist()">GetArtist</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the name of the artists.</TD>
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<TR BGCOLOR="white">
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<CODE>&nbsp;uint</CODE></FONT></TD>
<TD><CODE><B><a href="#GetChips()">GetChips</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the OR:ed chips in use.</TD>
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<CODE>&nbsp;const char*</CODE></FONT></TD>
<TD><CODE><B><a href="#GetCopyright()">GetCopyright</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the copyright string.</TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><a href="#GetCurrentSong()">GetCurrentSong</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the current song index.</TD>
</TR>
<TR BGCOLOR="white">
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<CODE>&nbsp;uint</CODE></FONT></TD>
<TD><CODE><B><a href="#GetInitAddress()">GetInitAddress</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the init-address.</TD>
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<CODE>&nbsp;uint</CODE></FONT></TD>
<TD><CODE><B><a href="#GetLoadAddress()">GetLoadAddress</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the load-address.</TD>
</TR>
<TR BGCOLOR="white">
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<CODE>&nbsp;<a href="../api/Nes..Api..Nsf..TuneMode.html">Nes::Api::Nsf::TuneMode</a></CODE></FONT></TD>
<TD><CODE><B><a href="#GetMode()">GetMode</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Return the tune mode.</TD>
</TR>
<TR BGCOLOR="white">
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<CODE>&nbsp;const char*</CODE></FONT></TD>
<TD><CODE><B><a href="#GetName()">GetName</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the name of the NSF.</TD>
</TR>
<TR BGCOLOR="white">
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<CODE>&nbsp;uint</CODE></FONT></TD>
<TD><CODE><B><a href="#GetNumSongs()">GetNumSongs</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the total number of songs.</TD>
</TR>
<TR BGCOLOR="white">
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<CODE>&nbsp;uint</CODE></FONT></TD>
<TD><CODE><B><a href="#GetPlayAddress()">GetPlayAddress</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the play-address.</TD>
</TR>
<TR BGCOLOR="white">
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><a href="#GetStartingSong()">GetStartingSong</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the starting song index.</TD>
</TR>
<TR BGCOLOR="white">
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<CODE>&nbsp;bool</CODE></FONT></TD>
<TD><CODE><B><a href="#IsPlaying()">IsPlaying</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Checks if a song is currently being played.</TD>
</TR>
<TR BGCOLOR="white">
<TD ALIGN="right" VALIGN="top" WIDTH="1%" NOWRAP><FONT SIZE="-1">
<CODE>&nbsp;Result</CODE></FONT></TD>
<TD><CODE><B><a href="#PlaySong()">PlaySong</a></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Plays current selected song.</TD>
</TR>
<TR BGCOLOR="white">
<TD ALIGN="right" VALIGN="top" WIDTH="1%" NOWRAP><FONT SIZE="-1">
<CODE>&nbsp;Result</CODE></FONT></TD>
<TD><CODE><B><a href="#SelectNextSong()">SelectNextSong</a></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Selects the next song.</TD>
</TR>
<TR BGCOLOR="white">
<TD ALIGN="right" VALIGN="top" WIDTH="1%" NOWRAP><FONT SIZE="-1">
<CODE>&nbsp;Result</CODE></FONT></TD>
<TD><CODE><B><a href="#SelectPrevSong()">SelectPrevSong</a></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Selects the previous song.</TD>
</TR>
<TR BGCOLOR="white">
<TD ALIGN="right" VALIGN="top" WIDTH="1%" NOWRAP><FONT SIZE="-1">
<CODE>&nbsp;Result</CODE></FONT></TD>
<TD><CODE><B><a href="#SelectSong(uint)">SelectSong</a></B>( uint song )</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Selects a song.</TD>
</TR>
<TR BGCOLOR="white">
<TD ALIGN="right" VALIGN="top" WIDTH="1%" NOWRAP><FONT SIZE="-1">
<CODE>&nbsp;Result</CODE></FONT></TD>
<TD><CODE><B><a href="#StopSong()">StopSong</a></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stops current selected song.</TD>
</TR>
<TR BGCOLOR="white">
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<CODE>&nbsp;bool</CODE></FONT></TD>
<TD><CODE><B><a href="#UsesBankSwitching()">UsesBankSwitching</a></B>() const</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Checks if the NSF uses bank-switching.</TD>
</TR>
</TABLE>
&nbsp;

<BR>
<BR>
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<B>Field Detail</B></FONT></TD>
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</TABLE>

<A NAME="eventCallback"><!-- --></A>
<A NAME="eventCallback"><!-- --></A>
<H3>eventCallback</H3>
<PRE>
public static <a href="../api/Nes..Api..Nsf..EventCaller.html">Nes::Api::Nsf::EventCaller</a> <B>eventCallback</B>;
</PRE>
<DL>
<DD>Event callback manager.
Static object used for adding the user defined callback.
</DD>

</DL>
<HR>

<BR>
<!-- ============ Constructor Detail ========== -->

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<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="Nsf(T&)"><!-- --></A>
<A NAME="Nsf"><!-- --></A>
<H3>Nsf</H3>
<PRE>
public <B>Nsf</B>( T& instance );
</PRE>
<DL>
<DD>Interface constructor.
</DD>
<DL>
<DT><B>Parameters: </B><DD><code>instance</code> - emulator instance</DD>
</DL>

</DL>
<HR>

<BR>
<!-- ============ Method Detail ========== -->

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<B>Method Detail</B></FONT></TD>
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</TABLE>

<A NAME="GetArtist()"><!-- --></A>
<A NAME="GetArtist"><!-- --></A>
<H3>GetArtist</H3>
<PRE>
public const char* <B>GetArtist</B>() const throw();
</PRE>
<DL>
<DD>Returns the name of the artists.
</DD>
<DL>
<DT><B>Returns: </B><DD>artist names or empty string if NSF hasn't been loaded</DD>
</DL>

</DL>
<HR>

<A NAME="GetChips()"><!-- --></A>
<A NAME="GetChips"><!-- --></A>
<H3>GetChips</H3>
<PRE>
public uint <B>GetChips</B>() const throw();
</PRE>
<DL>
<DD>Returns the OR:ed chips in use.
</DD>
<DL>
<DT><B>Returns: </B><DD>OR:ed chips used</DD>
</DL>

</DL>
<HR>

<A NAME="GetCopyright()"><!-- --></A>
<A NAME="GetCopyright"><!-- --></A>
<H3>GetCopyright</H3>
<PRE>
public const char* <B>GetCopyright</B>() const throw();
</PRE>
<DL>
<DD>Returns the copyright string.
</DD>
<DL>
<DT><B>Returns: </B><DD>copyright or empty string if NSF hasn't been loaded</DD>
</DL>

</DL>
<HR>

<A NAME="GetCurrentSong()"><!-- --></A>
<A NAME="GetCurrentSong"><!-- --></A>
<H3>GetCurrentSong</H3>
<PRE>
public int <B>GetCurrentSong</B>() const throw();
</PRE>
<DL>
<DD>Returns the current song index.
</DD>
<DL>
<DT><B>Returns: </B><DD>song index or NO_SONG if NSF hasn't been loaded</DD>
</DL>

</DL>
<HR>

<A NAME="GetInitAddress()"><!-- --></A>
<A NAME="GetInitAddress"><!-- --></A>
<H3>GetInitAddress</H3>
<PRE>
public uint <B>GetInitAddress</B>() const throw();
</PRE>
<DL>
<DD>Returns the init-address.
</DD>
<DL>
<DT><B>Returns: </B><DD>address</DD>
</DL>

</DL>
<HR>

<A NAME="GetLoadAddress()"><!-- --></A>
<A NAME="GetLoadAddress"><!-- --></A>
<H3>GetLoadAddress</H3>
<PRE>
public uint <B>GetLoadAddress</B>() const throw();
</PRE>
<DL>
<DD>Returns the load-address.
</DD>
<DL>
<DT><B>Returns: </B><DD>address</DD>
</DL>

</DL>
<HR>

<A NAME="GetMode()"><!-- --></A>
<A NAME="GetMode"><!-- --></A>
<H3>GetMode</H3>
<PRE>
public <a href="../api/Nes..Api..Nsf..TuneMode.html">Nes::Api::Nsf::TuneMode</a> <B>GetMode</B>() const throw();
</PRE>
<DL>
<DD>Return the tune mode.
</DD>
<DL>
<DT><B>Returns: </B><DD>tune mode</DD>
</DL>

</DL>
<HR>

<A NAME="GetName()"><!-- --></A>
<A NAME="GetName"><!-- --></A>
<H3>GetName</H3>
<PRE>
public const char* <B>GetName</B>() const throw();
</PRE>
<DL>
<DD>Returns the name of the NSF.
</DD>
<DL>
<DT><B>Returns: </B><DD>name or empty string if NSF hasn't been loaded</DD>
</DL>

</DL>
<HR>

<A NAME="GetNumSongs()"><!-- --></A>
<A NAME="GetNumSongs"><!-- --></A>
<H3>GetNumSongs</H3>
<PRE>
public uint <B>GetNumSongs</B>() const throw();
</PRE>
<DL>
<DD>Returns the total number of songs.
</DD>
<DL>
<DT><B>Returns: </B><DD>number</DD>
</DL>

</DL>
<HR>

<A NAME="GetPlayAddress()"><!-- --></A>
<A NAME="GetPlayAddress"><!-- --></A>
<H3>GetPlayAddress</H3>
<PRE>
public uint <B>GetPlayAddress</B>() const throw();
</PRE>
<DL>
<DD>Returns the play-address.
</DD>
<DL>
<DT><B>Returns: </B><DD>address</DD>
</DL>

</DL>
<HR>

<A NAME="GetStartingSong()"><!-- --></A>
<A NAME="GetStartingSong"><!-- --></A>
<H3>GetStartingSong</H3>
<PRE>
public int <B>GetStartingSong</B>() const throw();
</PRE>
<DL>
<DD>Returns the starting song index.
</DD>
<DL>
<DT><B>Returns: </B><DD>song index or NO_SONG if NSF hasn't been loaded</DD>
</DL>

</DL>
<HR>

<A NAME="IsPlaying()"><!-- --></A>
<A NAME="IsPlaying"><!-- --></A>
<H3>IsPlaying</H3>
<PRE>
public bool <B>IsPlaying</B>() const throw();
</PRE>
<DL>
<DD>Checks if a song is currently being played.
</DD>
<DL>
<DT><B>Returns: </B><DD>true if playing</DD>
</DL>

</DL>
<HR>

<A NAME="PlaySong()"><!-- --></A>
<A NAME="PlaySong"><!-- --></A>
<H3>PlaySong</H3>
<PRE>
public Result <B>PlaySong</B>() throw();
</PRE>
<DL>
<DD>Plays current selected song.
</DD>
<DL>
<DT><B>Returns: </B><DD>result code</DD>
</DL>

</DL>
<HR>

<A NAME="SelectNextSong()"><!-- --></A>
<A NAME="SelectNextSong"><!-- --></A>
<H3>SelectNextSong</H3>
<PRE>
public Result <B>SelectNextSong</B>() throw();
</PRE>
<DL>
<DD>Selects the next song.
</DD>
<DL>
<DT><B>Returns: </B><DD>result code</DD>
</DL>

</DL>
<HR>

<A NAME="SelectPrevSong()"><!-- --></A>
<A NAME="SelectPrevSong"><!-- --></A>
<H3>SelectPrevSong</H3>
<PRE>
public Result <B>SelectPrevSong</B>() throw();
</PRE>
<DL>
<DD>Selects the previous song.
</DD>
<DL>
<DT><B>Returns: </B><DD>result code</DD>
</DL>

</DL>
<HR>

<A NAME="SelectSong(uint)"><!-- --></A>
<A NAME="SelectSong"><!-- --></A>
<H3>SelectSong</H3>
<PRE>
public Result <B>SelectSong</B>( uint song ) throw();
</PRE>
<DL>
<DD>Selects a song.
</DD>
<DL>
<DT><B>Parameters: </B><DD><code>song</code> - index</DD>
<DT><B>Returns: </B><DD>result code</DD>
</DL>

</DL>
<HR>

<A NAME="StopSong()"><!-- --></A>
<A NAME="StopSong"><!-- --></A>
<H3>StopSong</H3>
<PRE>
public Result <B>StopSong</B>() throw();
</PRE>
<DL>
<DD>Stops current selected song.
</DD>
<DL>
<DT><B>Returns: </B><DD>result code</DD>
</DL>

</DL>
<HR>

<A NAME="UsesBankSwitching()"><!-- --></A>
<A NAME="UsesBankSwitching"><!-- --></A>
<H3>UsesBankSwitching</H3>
<PRE>
public bool <B>UsesBankSwitching</B>() const throw();
</PRE>
<DL>
<DD>Checks if the NSF uses bank-switching.
</DD>
<DL>
<DT><B>Returns: </B><DD>true if NSF uses bank-switching</DD>
</DL>

</DL>
<HR>

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